2013 California Standards for Accessible Design Pocket Guide
11B-403.7 Continuous gradient.
All walks with continuous gradients shall have resting areas, 60 inches (1524 mm) in length, at intervals of 400 feet (121,920 mm) maximum. The resting area shall be at least as wide as the walk. The slope of the resting area in all directions shall be 1:48 maximum.
ETA Editor's Note
2013 CBC requirement 11B-403.7 is not present in 2010 ADAS. Therefore, 2013 CBC requirements related to continuous gradients are more stringent.
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